1023106639 has 2 divisors, whose sum is σ = 1023106640. Its totient is φ = 1023106638.

The previous prime is 1023106613. The next prime is 1023106649. The reversal of 1023106639 is 9366013201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023106639 - 2⁹ = 1023106127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023106639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023106649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511553319 + 511553320.

It is an arithmetic number, because the mean of its divisors is an integer number (511553320).

Almost surely, 2^1023106639 is an apocalyptic number.

1023106639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023106639 is an equidigital number, since it uses as much as digits as its factorization.

1023106639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1023106639 is about 31986.0381885597. The cubic root of 1023106639 is about 1007.6436389236.

The spelling of 1023106639 in words is "one billion, twenty-three million, one hundred six thousand, six hundred thirty-nine".